1085011669 has 4 divisors (see below), whose sum is σ = 1240013344. Its totient is φ = 930009996.

The previous prime is 1085011667. The next prime is 1085011679. The reversal of 1085011669 is 9661105801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9661105801 = 97039 ⋅99559.

It is a cyclic number.

It is not a de Polignac number, because 1085011669 - 2¹ = 1085011667 is a prime.

It is a super-2 number, since 2×1085011669² = 2354500643732331122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085011661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77500827 + ... + 77500840.

It is an arithmetic number, because the mean of its divisors is an integer number (310003336).

Almost surely, 2^1085011669 is an apocalyptic number.

It is an amenable number.

1085011669 is a deficient number, since it is larger than the sum of its proper divisors (155001675).

1085011669 is an equidigital number, since it uses as much as digits as its factorization.

1085011669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155001674.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 1085011669 is about 32939.5153121596. The cubic root of 1085011669 is about 1027.5701257088.

The spelling of 1085011669 in words is "one billion, eighty-five million, eleven thousand, six hundred sixty-nine".